From c194db668d8fc33aa09350d0a26329e79bbcf91a Mon Sep 17 00:00:00 2001
From: Marcello Coutinho <marcellocoutinho@gmail.com>
Date: Wed, 18 Sep 2013 01:53:31 -0300
Subject: squid3-dev - external acl helper for captive portal authentication
 integration.

---
 config/squid3/33/check_ip.php | 85 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 config/squid3/33/check_ip.php

diff --git a/config/squid3/33/check_ip.php b/config/squid3/33/check_ip.php
new file mode 100644
index 00000000..b8f64256
--- /dev/null
+++ b/config/squid3/33/check_ip.php
@@ -0,0 +1,85 @@
+#!/usr/local/bin/php -q
+<?php
+/* $Id$ */
+/*
+	check_ip.php
+	Copyright (C) 2013 Marcello Coutinho		
+	All rights reserved.
+
+	Redistribution and use in source and binary forms, with or without
+	modification, are permitted provided that the following conditions are met:
+
+	1. Redistributions of source code must retain the above copyright notice,
+	   this list of conditions and the following disclaimer.
+
+	2. Redistributions in binary form must reproduce the above copyright
+	   notice, this list of conditions and the following disclaimer in the
+	   documentation and/or other materials provided with the distribution.
+
+	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+	POSSIBILITY OF SUCH DAMAGE.
+*/
+
+// stdin loop
+if (! defined(STDIN)) {
+        define("STDIN", fopen("php://stdin", "r"));
+}
+if (! defined(STDOUT)){
+        define("STDOUT", fopen('php://stdout', 'w'));
+        }
+while( !feof(STDIN)){
+        $line = trim(fgets(STDIN));
+        // %SRC
+        
+$pf_version=substr(trim(file_get_contents("/etc/version")),0,3);
+unset($cp_db);
+if ($pf_version > 2.0){
+	$dir="/var/db";
+	$files=scandir($dir);
+	foreach ($files as $file){
+		if (preg_match("/captive.*db/",$file)){
+			$dbhandle = sqlite_open("$dir/$file", 0666, $error);
+			if ($dbhandle){
+				$query = "select * from captiveportal";
+				$result = sqlite_query($dbhandle, $query);
+				if ($result){
+					$row = sqlite_fetch_array($result, SQLITE_ASSOC);
+					$cp_db[]=implode(",",$row);
+					sqlite_close($dbhandle);
+					}
+				}
+			}
+        }
+	}
+else{
+       $filename="/var/db/captiveportal.db";
+       if (file_exists($filename))
+        	$cp_db=file($filename);	
+}
+ 
+        $usuario="";
+        // 1376630450,2,172.16.3.65,00:50:56:9c:00:c7,admin,e1779ea20d0a11c7,,,,
+        if (is_array($cp_db)){
+	        foreach ($cp_db as $cpl){
+	        	$fields=explode(",",$cpl);
+	        	if ($fields[2] != "" && $fields[2]==$line)
+	        		$usuario=$fields[4];
+	        }
+        }
+        if ($usuario !="")
+            $resposta="OK user={$usuario}";
+        else
+            $resposta="ERR";
+        fwrite (STDOUT, "{$resposta}\n");
+        unset($cp_db);
+}
+?>
+
-- 
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